Finding the Fourth Proportional to 1,775,059.40, 2,664,338.70 and 877,514.60
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Solution
The fourth proportional to 1,775,059.40, 2,664,338.70 and 877,514.60 is: 1,317,136.83
Step by Step Solution
- Step 1: Write the proportion equation
1,775,059.40 : 2,664,338.70 = 877,514.60 : x - Step 2: Convert to fraction form
1,775,059.40/2,664,338.70 = 877,514.60/x - Step 3: Cross multiply
1,775,059.40x = 2,664,338.70 × 877,514.60 - Step 4: Simplify right side
1,775,059.40x = 2,337,996,108,595.02 - Step 5: Solve for x
x = 2,337,996,108,595.02/1,775,059.40 - Step 6: Final answer
x = 1,317,136.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.